<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for='(page,index) of pages' :key='index'>
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
  export default {
    name: 'HomeIcons',
    props:{
      list:Array
    },
   data(){
     return{
       swiperOption: {
        autoplay:false
       }
     }
   },
    computed: {
      pages() {
        const pages = []
        this.list.forEach((item, index) => {
          const page = Math.floor(index / 10)
          if (!pages[page]) {
            pages[page] = []
          }
          pages[page].push(item)
        })
        return pages
      }
    }
  }
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height :0
    padding-bottom :50%
  .icons
    margin-top :.1rem
    .icon
      position :relative
      overflow :hidden
      float :left
      width :20%
      height :0
      padding-bottom :25%
      // 所有百分比都是相对宽度100%而言
      // background :red
      .icon-img
       position :absolute
       left :0
       right :0
       top :0
       bottom :.44rem
       // background :blue
       box-sizing :border-box
       padding .1rem
       .icon-img-content
        display :block
        margin :0 auto
        height :100%
      .icon-desc
       position :absolute
       left :0
       right :0
       bottom :0
       height :.44rem
       line-height :.44rem
       text-align center
       color :$darkTextColor
       ellipsis()
</style>
